19417635

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 35740224

約数和(自身を除く): 16322589

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 73, 115, 207, 219, 257, 345, 365, 657, 771, 1035, 1095, 1285, 1679, 2313, 3285, 3855, 5037, 5911, 8395, 11565, 15111, 17733, 18761, 25185, 29555, 53199, 56283, 75555, 88665, 93805, 168849, 265995, 281415, 431503, 844245, 1294509, 2157515, 3883527, 6472545, 19417635]

約数ペア:

[(1, 19417635), (3, 6472545), (5, 3883527), (9, 2157515), (15, 1294509), (23, 844245), (45, 431503), (69, 281415), (73, 265995), (115, 168849), (207, 93805), (219, 88665), (257, 75555), (345, 56283), (365, 53199), (657, 29555), (771, 25185), (1035, 18761), (1095, 17733), (1285, 15111), (1679, 11565), (2313, 8395), (3285, 5911), (3855, 5037)]